libreoffice:ww8fuzzer: Heap-use-after-free in SvxMSDffImportData::NotifyFreeObj

2020-01-13T05:28:15
ID OSSFUZZ-20051
Type ossfuzz
Reporter Google
Modified 2020-02-14T18:15:56

Description

Project: git://anongit.freedesktop.org/libreoffice/core

Detailed Report: https://oss-fuzz.com/testcase?key=5662761686401024

Project: libreoffice Fuzzing Engine: afl Fuzz Target: ww8fuzzer Job Type: afl_asan_libreoffice Platform Id: linux

Crash Type: Heap-use-after-free WRITE 8 Crash Address: 0x60f00005f0e0 Crash State: SvxMSDffImportData::NotifyFreeObj SvxMSDffManager::FreeObj SvxMSDffManager::ImportGroup

Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://oss-fuzz.com/revisions?job=afl_asan_libreoffice&range=201807060752:201807150756

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5662761686401024

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally. When you fix this bug, please * mention the fix revision(s). * state whether the bug was a short-lived regression or an old bug in any stable releases. * add any other useful information. This information can help downstream consumers.

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This bug is subject to a 90 day disclosure deadline. If 90 days elapse without an upstream patch, then the bug report will automatically become visible to the public.